Select your answer:
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Neurology › View__ is the fact that neurons either fire or not, like flipping a light switch?
A. Polarization
B. All-or-none
C. Absolute Refractory Period
D. Relative Refractory Period
Central Nervous System › View
What is “stimuli”?
A. A major organ in the brain that is a part of the nervous system.
B. What your body does to a change or a signal.
C. A change or a signal your body receives.